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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Gil, G. Brown, M. S. Kowal, R. C. Goldstein, J. L. Osborne, T. F. |
| Abstract | The 5'-flanking region of the gene for hamster 3-hydroxy-3-methylglutaryl coenzyme A reductase (HMG-CoA reductase) is shown to contain promoter sequences that drive transcription in vitro in the presence of a HeLa whole-cell extract. DNase I protection studies revealed at least six different regions within the 277-base-pair (bp) promoter that bind nuclear proteins and produce 'footprints.' The functional significance of these sequences was determined through transcriptional analysis of a series of substitution mutations that scrambled short sequences throughout this region. Two of the footprint sequences were crucial for transcription in vitro; one of these contains a match in 6 of 6 bp, with a sequence in the adenovirus type 2 major late promoter that is known to be required for transcription. Scrambling a 26-bp sequence in a third footprint led to a consistent 2-fold increase in transcription, suggesting that this sequence might be a site for negative regulation. These studies define three regions that play a role in regulating transcription of the gene for HMG-CoA reductase, a negatively regulated enzyme in the cholesterol biosynthetic pathway. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 11 |
| Volume Number | 84 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1987-07-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Genes Hydroxymethylglutaryl CoA Reductases Genetics Promoter Regions, Genetic Transcription, Genetic Animals Cell Nucleus Metabolism Cricetinae HeLa Cells Enzymology Liver Mesocricetus Mutation Plasmids Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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